Bluebonnet/Blue Bonnet/Crimson-bellied Parrot Northiella/(Psephotus) haematogaster

Red-vented bluebonnet
Red-vented Bluebonnet
The Bluebonnet, also called Blue Bonnet, is a small, blue-faced grass parrot (also called grass parakeet) native to Australia.
Bluebonnet
Red-vented Blue Bonnet
It is also called the Crimson-bellied Parrot (not to be confused with the Crimson-bellied Parakeet or Conure, Pyrrhura perlata, of South America).
Bluebonnet Yellow-vent
Bluebonnet Yellow-vented
Bluebonnet Red-vented
There are four subspecies, the nominal Yellow-vented Bluebonnet, Northiella haematogaster haematogaster from S.E. Australia, above left, the Red-vented , N. h. haematorrhous from eastern Australia (south Queensland and north New South Wales), above right, the Pallid Yellow-vented and the Naretha from southern Australia.
Bluebonnet pair
Bluebonnet  pair
Bluebonnet
Male and female have similar plumage; the female usually has less red and blue than the male. The broad blue-green, white-edged tail is reminiscent of the Rosella species.
Bluebonnet
Bluebonnet Yellow-vented
Bluebonnet Yellow-vent
Above is the Yellow-vented Bluebonnet, the nominal and more common subspecies, from southeastern Australia. Usually just called the Bluebonnet, its plumage is similar to the Red-vented except for the vent (below the red belly, before the tail) which is yellow rather than red.
Bluebonnet
Bluebonnet Red-vented
Bluebonnet Red-vent
Above is the Red-vented Bluebonnet from eastern and northeastern Australia.